@book { MotelGuteStubeZimmerfreifrgutenSex,
    title = "Motel Gute Stube - Zimmer frei für guten Sex",
    author = "Lena {Laune}",
    year = "2017",
    publisher = "roter mund verlag",
    address = "Mannheim, Deutschland",
    url = "https://rotermundverlag.de/document/372251"
}